Teens who misuse prescription or illicit opioids might benefit from opioid treatment medications, according to a new study led by a Yale researcher. An estimated 900 adolescents started to misuse opioid painkillers every day in 2017, and some of them turned to cheaper and more potent illegal opioids like heroin….

Legalizing medical marijuana does not reduce the rate of fatal opioid overdoses, according to researchers at the Stanford University School of Medicine. The finding contradicts a 2014 study that legal-pot advocates, public officials and even physicians have touted as a reason to legalize marijuana. That study found lower rates of…

The human opioid system contributes to the regulation of emotions, pleasure and pain. Opioids are strong analgesics. In addition to effectively relieving pain, external opioids may improve mood and reduce negative emotions. However, not much has been known about the effect of opioids on emotional responses caused by external stimuli….